from flask import current_app
from flask import g, jsonify
from flask import redirect
from flask import request

from info import constants, db
from info.models import News, Category
from info.response_code import RET
from info.utils.image_storage import image_storage
from . import profile_blue
from flask import render_template
from info.utils.commons import user_login_data


@profile_blue.route('/news_list')
@user_login_data
def news_list():
    # 获取参数
    page = request.args.get('p', '1')
    # 参数类型转换
    try:
        page = int(page)
    except Exception as e:
        page = 1
    # 分页查询用户发布新闻
    try:
        paginate = News.query.filter(News.user_id == g.user.id).order_by(News.create_time.desc()).paginate(page, 2 ,
                                                                                                           False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg='获取新闻失败')
    # 获取分页对象属性，总页数 当前页 当前页面新闻列表
    totalPage = paginate.pages
    currentPage = paginate.page
    items = paginate.items
    # 新闻列表转成字典列表
    news_list = []
    for item in items:
        news_list.append(item.to_review_dict())
    # 携带参数 渲染页面
    data = {
        "totalPage": totalPage,
        'currentPage': currentPage,
        'news': news_list
    }
    return render_template('news/user_news_list.html', data=data)


# 发布新闻模块
@profile_blue.route('/news_release', methods=['GET', 'POST'])
@user_login_data
def news_release():
    # 判断是否是GET请求
    if request.method == 'GET':
        # 查询分类数据
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.DBERR, errmsg='获取分类失败')

        category_list = []
        for category in categories:
            category_list.append(category.to_dict())
        return render_template('news/user_news_release.html', categories=category_list)

    # 获取参数
    title = request.form.get('title')
    category_id = request.form.get('category_id')
    index_image = request.files.get('index_image')
    digest = request.form.get('digest')
    content = request.form.get('content')

    # 校验参数
    if not all([title, category_id, digest, content, index_image]):
        return jsonify(errno=RET.PARAMERR, errmsg='参数不全')

    # 上传图像
    try:
        image_name = image_storage(index_image.read())
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg='七牛云异常')
    if not image_name:
        return jsonify(errno=RET.NODATA, errmsg='上传失败')
    # 创建新闻对象 设置属性
    news = News()
    news.title = title
    news.source = g.user.nick_name
    news.digest = digest
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + image_name
    news.category_id = category_id
    news.user_id = g.user.id
    # 审核状态 1 为带审核
    news.status = 1
    # 保存新闻到数据库
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg='发布新闻失败')
    # 返回数据库
    return jsonify(errno=RET.OK, errmsg='上传成功')


# 新闻收藏模块
@profile_blue.route('/collection')
@user_login_data
def collection():
    # 获取参数
    page = request.args.get('p', '1')
    # 参数类型转换 前端取出的类型为字符串类型
    try:
        page = int(page)
    except Exception as e:
        page = 1
    # 分页查询
    try:
        paginate = g.user.collection_news.order_by(News.create_time.desc()).paginate(page, 5, False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg='获取新闻失败')
    # 取出分页对象属性 总页数 当前页 当前页对象列表
    totalPage = paginate.pages
    currentPage = paginate.page
    items = paginate.items

    # 将对象列表转成字典列表
    news_list = []
    for item in items:
        news_list.append(item.to_dict())

    # 拼接数据 渲染页面
    data = {
        'totalPage': totalPage,
        'currentPage': currentPage,
        'aaa': news_list
    }
    return render_template('news/user_collection.html', data=data)


# 用户头像上传
@profile_blue.route('/pic_info', methods=['GET', 'POST'])
@user_login_data
def pic_info():
    # 判断请求方式
    if request.method == 'GET':
        return render_template('news/user_pic_info.html', user=g.user.to_dict())
    # 获取参数
    avatar = request.files.get('avatar')
    # 校验参数 非空校验
    if not avatar:
        return jsonify(errno=RET.PARAMERR, errmsg='参数不全')
    # 上传图片 判断是否上传成功
    try:
        image_name = image_storage(avatar.read())
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, essmsg='七牛云上传异常')
    if not image_name:
        return jsonify(errno=RET.DATAERR, errmsg='上传失败')
    # 设置图片到用户对象
    try:
        g.user.avatar_url = image_name
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg='修改失败')
    # 返回响应 携带图片
    data = {
        'avatar_url': constants.QINIU_DOMIN_PREFIX + image_name
    }
    return jsonify(errno=RET.OK, errmsg='上传成功', data=data)


# 修改密码
@profile_blue.route('/pass_info', methods=['GET', 'POST'])
@user_login_data
def pass_info():
    # 判断请求方式
    if request.method == 'GET':
        return render_template('news/user_pass_info.html')
    # 获取参数
    old_password = request.json.get('old_password')
    new_password = request.json.get('new_password')
    # 校验参数
    if not all([old_password, new_password]):
        return jsonify(errno=RET.PARAMERR, errmsg='参数不全')
    # 判断新旧密码是否正确
    if not g.user.check_password(old_password):
        return jsonify(errno=RET.DATAERR, errmsg='原密码错误')
    # 判断新旧密码是否一直
    if old_password == new_password:
        return jsonify(errno=RET.DATAERR, errmsg='不能使用原密码')
    # 设置新密码
    try:
        g.user.password = new_password
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg='修改失败')
    return jsonify(errno=RET.OK, errmsg='修改成功')


@profile_blue.route('/base_info', methods=['GET', 'POST'])
@user_login_data
def base_info():
    # 判断是否是get请求
    if request.method == 'GET':
        return render_template('news/user_base_info.html', user=g.user.to_dict())
    # 如果是POST请求 获取参数
    nick_name = request.json.get('nick_name')
    signature = request.json.get('signature')
    gender = request.json.get('gender')

    # 校验参数 为空校验
    if not all([nick_name, gender]):
        return jsonify(errno=RET.PARAMERR, errmsg='参数不全')
    # 判断性别
    if not gender in ['MAN', 'WOMAN']:
        return jsonify(errno=RET.DATAERR, errmsg='性别异常')
    # 修改用户数据
    try:
        g.user.nick_name = nick_name
        g.user.signature = signature
        g.user.gender = gender
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg='修改失败')
    # 返回响应
    return jsonify(errno=RET.OK, errmsg='保存成功')


@profile_blue.route('/info')
@user_login_data
def user_info():
    # 判断用户是否登录
    if not g.user:
        return redirect('/')
    # 拼接数据 渲染页面
    data = {
        'user_info': g.user.to_dict()
    }
    return render_template('news/user.html', data=data)
